Rectangular pulse
[電] 矩形脈沖
?? 詞語組成解析
rectangular
[rek't??gjul?]
adj. <數> 矩形的;成直角的;直角坐標的;長方;
pulse
[p?ls]
n. 脈搏;[無線電]（電磁波等）脈動;活力;有節奏的跳動（或拍打）;
vi. （心臟）跳動;脈動;搏動;震動;
vt. 使跳動;有節奏地驅動（機器等）;[電子學]施以脈沖;[無線電]脈沖地調節（電磁波）;
pel, puls 表”驅動,推動”
??? 情景例句
I'm kind of excited about going now.
我現在就想去了。
And everything looked so different, compared with things in New York.
與紐約相比，一切都那么不一肅。
We enjoy staring at them, entranced as they go about their business, unaware (we hope) of our presence.
我們喜歡入迷地看它們做事，它們不知道（但愿如此）我們就在它們身邊。